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Finding the Fourth Proportional to 312,960.04, 468,674.44 and 282,633.64

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Solution

The fourth proportional to 312,960.04, 468,674.44 and 282,633.64 is: 423,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,960.04 : 468,674.44 = 282,633.64 : x
  2. Step 2: Convert to fraction form
    312,960.04/468,674.44 = 282,633.64/x
  3. Step 3: Cross multiply
    312,960.04x = 468,674.44 × 282,633.64
  4. Step 4: Simplify right side
    312,960.04x = 132,463,162,952.16
  5. Step 5: Solve for x
    x = 132,463,162,952.16/312,960.04
  6. Step 6: Final answer
    x = 423,259.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.